ACI Concrete Field Testing Technician - Grade I

Which of the following properties is determined using the Los Angeles (L.A.) abrasion test (ASTM C131)?

The percentage of voids in an aggregate sample The resistance of coarse aggregate to degradation by abrasion and impact The amount of material finer than the 75-µm (No. 200) sieve The absorption capacity of fine aggregate

Correct Answer:

The resistance of coarse aggregate to degradation by abrasion and impact

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